202120321411 has 2 divisors, whose sum is σ = 202120321412. Its totient is φ = 202120321410.

The previous prime is 202120321397. The next prime is 202120321421. The reversal of 202120321411 is 114123021202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202120321411 - 2³⁵ = 167760583043 is a prime.

It is not a weakly prime, because it can be changed into another prime (202120321421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060160705 + 101060160706.

It is an arithmetic number, because the mean of its divisors is an integer number (101060160706).

Almost surely, 2^202120321411 is an apocalyptic number.

202120321411 is a deficient number, since it is larger than the sum of its proper divisors (1).

202120321411 is an equidigital number, since it uses as much as digits as its factorization.

202120321411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 202120321411 its reverse (114123021202), we get a palindrome (316243342613).

The spelling of 202120321411 in words is "two hundred two billion, one hundred twenty million, three hundred twenty-one thousand, four hundred eleven".